SAN FRANCISCO (CBS SF) — BART officials in San Francisco were reporting delays in the system Tuesday after a medical emergency at the Civic Center station forced a Dublin-bound train to be turned around.

The official SF BART alert Twitter account initially posted about 30-minute delays shortly after 4 p.m. Tuesday.

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Officials later clarified that delays were not so widespread, noting that one train bound for Dublin had to be turned back towards Daly City at the Civic Center station.

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Officials said other trains remained on schedule. There were no details regarding the medical emergency, though officials said that the patron involved had been transported to a hospital in San Francisco.

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BART also reported additional delays from San Francisco in all directions due to an equipment problem on the tracks between Embarcadero and Montgomery stations.